SB2016011512 - Fedora 23 update for kernel



SB2016011512 - Fedora 23 update for kernel

Published: January 15, 2016 Updated: April 24, 2025

Security Bulletin ID SB2016011512
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Physical access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2015-7566)

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the clie_5_attach() function in drivers/usb/serial/visor.c. A local non-authenticated attacker can perform a denial of service (DoS) attack.


2) Division by zero (CVE-ID: CVE-2015-7513)

The vulnerability allows a local user to a crash the entire system.

The vulnerability exists due to a division by zero error within the kvm_vm_ioctl_get_pit(), kvm_vm_ioctl_get_pit2() and kvm_vm_ioctl_set_pit2() functions in arch/x86/kvm/x86.c. A local user can a crash the entire system.


Remediation

Install update from vendor's website.